As with capital goods (tangible items such as buildings, machinery, and equipment produced and used in the production of other goods and services), the consumption of a durable good is spread over its life span, which tends to create demand for a series of maintenance services.
The event which is referred to as The Phoenix Lights comprised of a series of incidents, involving a number of different craft and orbs which took place during the evening of March 13th 1997.
Pictured: Ephesus Lighting replaced 780 metal halide fixtures with 312 LED units at the University of Phoenix Stadium in Glendale, Arizona in time for the 2015 Super Bowl in February. 10. The flight to quality